A bride who had both legs amputated following a snowboarding accident proudly walked down the aisle using new prosthetics. Lexie Heyne, 29, said she was determined to walk on her own two feet when she ...

Thanks to a neural interface, people can move this bionic limb naturally—just by thinking about it. When someone loses part of a leg, a prosthetic can make it easier to get around. But most ...

"Smart" prosthetic legs can help amputees achieve a natural walking gait, but it's done through robotic sensors and algorithms that drive the limb forward at predetermined rates. A better way would be ...